Preservative Sulfur Dioxide - Chinaprice: contact company for price
released by volcanoes and in various industrial processes.Sulfur dioxide
is an intermediate in the production of sulfuric acid, being converted
to sulfur trioxide, and then to oleum, which is made into sulfuric acid.
Sulfur dioxide for this purpose is made when sulfur combines with
oxygen. The method of converting sulfur dioxide to sulfuric acid is
called the contact process. Several billion kilograms are produced
annually for this purpose.Sulfur dioxide is sometimes used as a
preservative for dried apricots, dried figs, and other dried fruits
owing to its antimicrobial properties, and it is sometimes called E220
when used in this way. As a preservative, it maintains the colorful
appearance of the fruit and prevents rotting. It is also added to
sulfured molasses.Sulfur dioxide is an important compound in winemaking,
and is designated as parts per million in wine, E number: E220.Sulfur
dioxide is also a good reductant. In the presence of water, sulfur
dioxide is able to decolorize substances. Specifically it is a useful
reducing bleach for papers and delicate materials such as clothes. This
bleaching effect normally does not last very long.Being easily condensed
and possessing a high heat of evaporation, sulfur dioxide is a candidate
material for refrigerants. Prior to the development of CFCs, sulfur
dioxide was used as a refrigerant in home refrigerators.
- Posted By: Central China Special Gas Co., Ltd.
- Phone: 867348755678
- Address: Jiefang Rd, Hengyang, China
- Website: http://www.ccsg.cn
Published date: May 30, 2013 -
- Business Description: Central China Special Gas (CCSG) Co., Ltd is specialized on gas
industry; our main product is industrial gases, specialty gases, gases
equipments. With Chinese booming economy, CCSG now is one of the most
active player on industrial and specialty gas in China. CCSG's products
Fluorogases: SF6, HF, CHF3, CF4, C2F6, C3F8, C4F8
Hydrocarbons: CH4, C2H4, C2H6, C3H6, C3H8
Rare gases: Helium, Neon, Argon, Krypton, Xenon
Calibration Standard Gases, mixtures
Other gases: D2, CO, H2, SO2, Cl2, HCL, N2O, NO, NO2...
Titanium Dioxide Na100 AnataseChemicals - Dioxide - UGCL - China - January 26, 2016 - contact company for price
High purity, excellent pigment performance, strong covering power, high lightening power, good whiteness. Features Excellent whiteness and glossiness Favorable covering power and lightening power Good dispersion, low oil absorption Wide range of appl...
High Purity Antimony Oxide 99 999Chemicals - Dioxide - Western Minmetals (SC) Corporation - China - October 21, 2015 - contact company for price
Antimony Oxide or Antimony Trioxide is mainly for the manufacturing of antimony compounds, flame- retardant, electronic elements, light proof agent, mordant and high purity reagent. 4N 1. Sb2O3â‰¥99.99% 2. Impurity Max each Pb/ As/ Fe/ Cu/ Ni/ Al/ Ca...
High Purity Bismuth Oxide 3n 4n 5n 6nChemicals - Dioxide - Western Minmetals (SC) Corporation - China - October 21, 2015 - contact company for price
3N 1. Bi2O3 99.9% 2. Impurity Max each Pb/ Cu0.002% , K0.001% , Mg0.004% , Na0.006% , Ca/ Fe0.005% 3. Size 2- 4.5um 4N 1. Bi2O3 99.99% 2. Impurity Max each Cu/ Pb/ Fe10ppm, Mn/ Ca/ Cd/ Zn/ Sb/ Mg/ Ni/ Co5ppm 3. Size - 100mesh Packing 25kgs in sealed ...
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